drm/nouveau/core: add msenc plumbing

Signed-off-by: NBen Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/include/nvkm/engine/msenc.h

+#ifndef __NVKM_MSENC_H__
+#define __NVKM_MSENC_H__
+#include <core/engine.h>
+#endif

drivers/gpu/drm/nouveau/nvkm/engine/Kbuild

@@ -10,6 +10,7 @@ include $(src)/nvkm/engine/dma/Kbuild
 include $(src)/nvkm/engine/fifo/Kbuild
 include $(src)/nvkm/engine/gr/Kbuild
 include $(src)/nvkm/engine/mpeg/Kbuild
+include $(src)/nvkm/engine/msenc/Kbuild
 include $(src)/nvkm/engine/mspdec/Kbuild
 include $(src)/nvkm/engine/msppp/Kbuild
 include $(src)/nvkm/engine/msvld/Kbuild

drivers/gpu/drm/nouveau/nvkm/engine/msenc/Kbuild

+#nvkm-y += nvkm/engine/msenc/base.o